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[ƨɱƨɱ]

an id card consists of 5 letters followed by 2 digit. How many different id card can be made if repetition are allowed.
26*26*26 * 10*10 = 1757600
ليش الحل من السعدي كده !!


المفروض 26*26*26*26*26*10*10

نفس السؤال من اشرب بركات

an id card consists of 2 letters followed by 3 digit. How many different id card can be made if repetition are allowed.
26*26*10*10*10